what is tailings treatment
Recent practices in mine tailings’ recycling and reuse
2023.1.1 Different treatments can be used to valorize mine tailings including chemical, thermal, and mechanical treatments. It is supposed that performing treatments causes tailings to become reactive in the applications involved.
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Treatment of tailings in mining operations - Condorchem
2023.11.13 Tailings represent an important environmental responsibility for a mining operation, since they occupy large areas of land and contain water contaminated with
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Current state of fine mineral tailings treatment: A critical
2014.4.1 The practice of storage or impoundment of mineral tailings and fine mineral tailings in an engineered structure still remains popular as one of the least expensive
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Mine tailing disposal sites: contamination problems, remedial options ...
2017.11.18 Phytocapping is cost effective, environmentally friendly and has multifunctional role against various problems of mine tailings: it provides erosion control,
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Global Industry Standard on Tailings Management
2020.8.5 The Global Industry Standard on Tailings Management, which is the outcome of the Global Tailings Review process, is an
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Toward sustainable remediation of oil sands fine Tailings-A
2021.6.15 The tailings contain water, sand, clay, salts, metals, residual bitumen and one or more diluents ( CAPP, 2020). The tailings are stored in engineered containment
اObtener precioProcess effluents and mine tailings: sources,
2016.12.19 Mine tailings include process-affected water, containing dissolved metals and ore processing reagents and fine-grained ground-up rocks after minerals of value have been extracted from mined ore. In
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The benefits of dewatering tailings - ScienceDirect
2020.2.1 The most important benefit of dewatering tailings is the reduction of water that needs to be transported from a process plant to a tailings storage facility (TSF).
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Dewatered and Stacked Mine Tailings: A Review
2022.4.15 In this article, the term stacked tailings (ST) is introduced to describe what has been otherwise called filtered tailings or dry-stack(ed) tailings to remedy the inaccuracies with the two existing names and
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Current state of fine mineral tailings treatment: A critical
2018.3.22 Evolution of fine mineral tailings treatment objectives. Figures “Flocculated solids” and “Stackable solids” are adopted from Alamgir, et al. (2012), permission
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Recent practices in mine tailings’ recycling and reuse
2023.1.1 It is supposed that performing treatments causes tailings to become reactive in the applications involved. In many cases, a combination of different treatments procedures may be required to bring proper activation to the tailings’ minerals. Geopolymers, ceramics, bricks, and supplementary cementitious materials are the main applications that ...
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Mine tailing disposal sites: contamination problems, remedial options ...
2017.11.18 Unfortunately, the electrokinetic treatment of mine tailings was only able to remove a small fraction of the metals, so there is a risk of mobilization of the residual fraction in the future due to the slow but continuous transformation of the minerals in the mine dump, due to chemical reactions with atmospheric oxygen and biological induced ...
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Research status and prospect of thickening technology for metal tailings
2021.1.11 In recent years, paste technology has been rapidly promoted in domestic mines. It is a key technology for realizing green mining because it can effectively solve environmental and safety problems caused by mining. With the progress in science and technology, the research level of paste technology is constantly improving. Thickening
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Mitigating methane emission from oil sands tailings using
2022.12.1 Engineering strategies to reduce greenhouse gases (GHGs) emissions by inhibiting methanogenesis in oil sands tailings have rarely been examined. In this study, we explored the potential impact of chemical treatment (lime) and biological treatment using enzymes (lysozyme and protease) on inhibiting methane emissions from tailings. Overall,
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Experimental analysis on cyanide removal of gold tailings
2023.3.7 INCO method is more suitable for treating cyanide-containing wastewater with low thiocyanate content, when it is used for cyanide-containing tailings slag removal treatment, ferricyanide and ...
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Process effluents and mine tailings: sources, effects and management ...
2016.12.19 Increasing population levels, growing economies, rapid urbanization and changes in consumption patterns have increased the demand for raw materials such as base and precious metals, leading to growing concerns regarding their availability and the global efficiency of the mine supply chain. Mine tailings, consisting of process effluents
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Minerals Free Full-Text Geochemical Stability of Oil Sands Tailings ...
2021.7.30 Oil sands surface mining in Alberta has generated over a billion cubic metres of waste, known as tailings, consisting of sands, silts, clays, and process-affected water that contains toxic organic compounds and chemical constituents. All of these tailings will eventually be reclaimed and integrated into one of two types of mine closure
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What are tailings storage facilities BHP
Tailings are stored in tailings storage facilities (TSFs). TSFs are dynamic structures that are designed and managed to contain the tailings produced by mining operations. surface facilities, including paddock style or valley fills, can comprise multiple dams (or cells) that have continuous, structurally similar interconnected walls.
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Innovative and sustainable approach for phytoremediation
2019.11.27 A review is designed to innovate a sustainable solution for the treatment of mine tailings using bioremediation and phytoremediation. It emphasizes on achieving the geochemical stability of tailings through the establishment of microbes or plants. It highlights the gaps in achieving the geochemical stability of tailings. Lack of nutrients and low pH
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Dewatered and Stacked Mine Tailings: A Review ACS EST
2022.4.15 Tailings storage is a prescient issue in mining, representing a visible and destructive liability. Dewatering tailings to a paste-like consistency is a popular option to reduce tailings volumes and increase dam safety, but dewatering further to a bulk cake consistency has mostly been reserved for small operations in locations where seismicity
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About Tailings – Global Tailings Review
What are tailings? Tailings is a common by-product of the process of extracting valuable minerals and metals from mined ore. They usually take the form of a liquid slurry made of fine mineral particles, created as mined ore is crushed, ground and processed. Effective tailings management is integral to the safe and sustainable production of ...
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Mine Water Treatment Veolia Water Technologies
2 天之前 Veolia ensures overflow compliance and water treatment, but we also look at the overall wastewater strategy. In particular, Veolia investigates opportunities to treat wastewater at source point to reduce the load going
اObtener precioImproving Flocculation Performance of Copper Flotation Tailings
2023.1.19 The dewatering of tailings is one of the serious challenges that the mining and mineral processing industries have encountered internationally. Solid–liquid separation methods are applied to wastewater, which generally consists of fine particles and water; fine particles are settled in thickeners by the flocculation method and the cleaned water is
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Flocculants and tailings – Process productivity
2020.8.5 The introduction of synthetic, high molecular weight, water-soluble polymer flocculants was a turning point in tailings dewatering within the minerals industry. Gravity thickening had previously relied on coagulants and natural products (e.g. starch) to aggregate particles and accelerate settling. Synthetic flocculants enable much larger ...
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An experimental study on the flocculating settling of unclassified tailings
2018.9.25 Unclassified tailings are the main backfilling aggregates in mines and their settling is the first step in the utilization of tailings; thus, it is very important to determine their settling behavior. The aim of this study was to understand the flocculating settling behavior of unclassified tailings with different factors. The combination of property detection,
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Efficient dewatering of unclassified tailings with flocculant:
2023.4.6 For fine particle tailings, thickening is feasible only when a high-molecular-weight water-soluble polymer (flocculant) is used to induce aggregation and strengthen sedimentation (Witham et al. 2012; Trampus and França 2020). Furthermore, mining backfilling is a continuous operation process with a very large tailings treatment capacity.
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Sustainability Free Full-Text Iron Ore Tailings Dewatering
2022.3.15 Globally, mining operators focus increasingly on tailings filtration to recover process water and store tailings more safely. Generally, required water contents below 20-w% are reached by using filter presses. To maintain high efficiency, complete cake detachment is needed because incomplete discharge reduces plant performance.
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Mine Tailing - an overview ScienceDirect Topics
Waste Materials in Construction. J. van Leeuwen, K. Ratsma, in Studies in Environmental Science, 1997 3.1 Logistics. In the last few years most mine tailings used by the Port of Rotterdam have been supplied by just one producer, the Auguste Victoria Mine in Germany.. Mine tailings for use outside the Marl region are transported to the Marl docks
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Micro-structure and morphology of tailings sand under
2023.1.18 The tailings pond is a dangerous source of man-made debris flow with high potential energy. The oxidative acidification of tailings may cause the instability of the pond and induce serious safety ...
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